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Eliminating photodarkening effect by H2-loading in high power Yb-doped fiber amplifiers

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Abstract

The radical elimination of photodarkening effect by H2-loading was demonstrated, and the output power was stable during long term operation in high power fiber amplifiers, without mode instability and photodarkening-induced core laser leakage.

© 2020 The Author(s)

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More Like This
Time Response Characteristics of Photodarkening-Induced Loss in Yb-Doped Fiber Amplifier

Yutong Feng, Christophe A. Codemard, Pranabesh Barua, Huaiqin Lin, Sheng Zhu, Yujun Feng, Shankar Pidishety, Soonki Hong, Jayanta K. Sahu, and Johan Nilsson
cj_2_2 The European Conference on Lasers and Electro-Optics (CLEO_Europe) 2019

The impact of photodarkening on mode instabilities in high-power fiber laser systems

Cesar Jauregui, Hans-Jürgen Otto, Norbert Modsching, Oliver de Vries, Jens Limpert, and Andreas Tünnermann
ATh2A.1 Advanced Solid State Lasers (ASSL) 2014

H2-blocking in Yb-doped Fiber through Pump Excitation to Enhance Photodarkening Resistivity

Atasi Pal, Maitreyee Saha, Anirban Dhar, and Ranjan Sen
CJ_P_1 The European Conference on Lasers and Electro-Optics (CLEO_Europe) 2013

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